Addition Subtraction Strategies Practice
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Addition Subtraction Strategies Practice
🧮 Part 1: Strategies and Estimation
My estimate: _______ (round to nearest 10)
Actual answer: _______
84 = _____ + _____
37 = _____ + _____
Answer: _______
To check, I can calculate: _______ - _______ = _______
Is the original answer correct?
Yes No📊 Part 2: Comparison Problems
Number sentence: _______ - _______ = _______
Answer: Sarah collected _______ more shells than Tom.
Estimate first: _______
Answer: The difference is _______ students.
Number sentence: _______ - _______ = _______
Answer: James needs $_______ more.
✏️ Part 3: Problem Solving and Reflection
Check your answer by estimating: _______
Answer: The library has _______ books left.
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